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|
{ config, pkgs, lib, ... }:
with pkgs;
with lib;
let
cfg = config.services.riemann;
classpath = concatStringsSep ":" (
cfg.extraClasspathEntries ++ [ "${riemann}/share/java/riemann.jar" ]
);
riemannConfig = concatStringsSep "\n" (
[cfg.config] ++ (map (f: ''(load-file "${f}")'') cfg.configFiles)
);
launcher = writeScriptBin "riemann" ''
#!/bin/sh
exec ${jdk}/bin/java ${concatStringsSep " " cfg.extraJavaOpts} \
-cp ${classpath} \
riemann.bin ${cfg.configFile}
'';
in {
options = {
services.riemann = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable the Riemann network monitoring daemon.
'';
};
config = mkOption {
type = types.lines;
description = ''
Contents of the Riemann configuration file. For more complicated
config you should use configFile.
'';
};
configFiles = mkOption {
type = with types; listOf path;
default = [];
description = ''
Extra files containing Riemann configuration. These files will be
loaded at runtime by Riemann (with Clojure's
<literal>load-file</literal> function) at the end of the
configuration if you use the config option, this is ignored if you
use configFile.
'';
};
configFile = mkOption {
type = types.str;
description = ''
A Riemann config file. Any files in the same directory as this file
will be added to the classpath by Riemann.
'';
};
extraClasspathEntries = mkOption {
type = with types; listOf str;
default = [];
description = ''
Extra entries added to the Java classpath when running Riemann.
'';
};
extraJavaOpts = mkOption {
type = with types; listOf str;
default = [];
description = ''
Extra Java options used when launching Riemann.
'';
};
};
};
config = mkIf cfg.enable {
users.groups.riemann.gid = config.ids.gids.riemann;
users.users.riemann = {
description = "riemann daemon user";
uid = config.ids.uids.riemann;
group = "riemann";
};
services.riemann.configFile = mkDefault (
writeText "riemann-config.clj" riemannConfig
);
systemd.services.riemann = {
wantedBy = [ "multi-user.target" ];
path = [ inetutils ];
serviceConfig = {
User = "riemann";
ExecStart = "${launcher}/bin/riemann";
};
serviceConfig.LimitNOFILE = 65536;
};
};
}
|